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BOSTON MARATHON 2025

Michaela Steklá

Bib: 13537•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:00/mi
24:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:20/mi
50:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:32/mi
1:17:14
↑ 67↓ 78
20K· 12.43 mi
8:55/mi
1:44:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:50:52
↑ 19↓ 370.5%
25K· 15.53 mi
9:13/mi
2:13:12
↑ 66↓ 880.2%
30K· 18.64 mi
10:00/mi
2:44:15
↑ 181↓ 1480.2%
20M
10:02/mi
2:57:53
↑ 64↓ 500.2%
21M
11:36/mi
3:09:29
↑ 106↓ 241.6%
35K· 21.75 mi
9:44/mi
3:16:46
↑ 17↓ 861.7%
23M
10:33/mi
3:29:58
↑ 23↓ 630.6%
24M
9:36/mi
3:39:34
↓ 821.3%
40K· 24.85 mi
11:03/mi
3:49:01
↓ 200.3%
25.2M
11:10/mi
3:52:52
↑ 13↓ 160.2%
Finish· 26.22 mi
9:38/mi
4:02:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:52
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time2:11:49
Pace10:03 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1624:518:0024:51
8:00
-
10K
6.21 mi11:20:0950:448:1025:53
8:20
+0:20
15K
9.32 mi11:46:391:17:148:1726:30
8:32
+0:12
20K
12.43 mi12:14:211:44:568:2727:42
8:55
+0:23
Half
13.11 mi12:20:171:50:528:275:56
8:42
-0:13
25K
15.53 mi12:42:372:13:128:3422:20
9:13
+0:31
30K
18.64 mi13:13:402:44:158:4931:03
10:00
+0:47
20M
20.00 mi13:27:182:57:538:5413:38
10:02
+0:02
21M
21.00 mi13:38:543:09:299:0111:36
11:36
+1:34
35K
21.75 mi13:46:113:16:469:037:17
9:44
-1:52
23M
23.00 mi13:59:233:29:589:0813:12
10:33
+0:49
24M
24.00 mi14:08:593:39:349:099:36
9:36
-0:57
40K
24.85 mi14:18:263:49:019:139:27
11:03
+1:27
25.2M
25.20 mi14:22:173:52:529:143:51
11:10
+0:07
Finish
26.22 mi14:32:064:02:419:169:49
9:38
-1:32

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:00 /mi

Average Pace

9:16 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:52

46% of race

Time at Steady Pace

1:33:43

39% of race

Time at Slower Pace

38:06

16% of race

Average Pace: 9:15 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:54:1624:518:0024:51
8:00
#16602
10K
6.21 mi11:20:0950:448:1025:53
8:20
#17740
15K
9.32 mi11:46:391:17:148:1726:30
8:32
#18327
20K
12.43 mi12:14:211:44:568:2727:42
8:55
#18929
Half
13.11 mi12:20:171:50:528:275:56
8:42
#19000
25K
15.53 mi12:42:372:13:128:3422:20
9:13
#19364
30K
18.64 mi13:13:402:44:158:4931:03
10:00
#19926
20M
20.00 mi13:27:182:57:538:5413:38
10:02
#20060
21M
21.00 mi13:38:543:09:299:0111:36
11:36
#20311
35K
21.75 mi13:46:113:16:469:037:17
9:44
#20334
23M
23.00 mi13:59:233:29:589:0813:12
10:33
#20507
24M
24.00 mi14:08:593:39:349:099:36
9:36
#20505
40K
24.85 mi14:18:263:49:019:139:27
11:03
#20675
25.2M
25.20 mi14:22:173:52:529:143:51
11:10
#20695
Finish
26.22 mi14:32:064:02:419:169:49
9:38
#20739
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi166025520552019519(Top 69%)7185(Top 59%)7185(Top 131%)
10K6.21 mi3.10 mi17740-11386168-6486168-64818774(Top 66%)6752(Top 55%)6752(Top 123%)
15K9.32 mi3.11 mi18327-5876527-3596527-35919519(Top 69%)7185(Top 59%)7185(Top 131%)
20K12.43 mi3.11 mi18929-6026862-3356862-33520566(Top 72%)7813(Top 64%)7813(Top 143%)
Half13.11 mi0.68 mi19000-716907-456907-4520411(Top 72%)7712(Top 63%)7712(Top 141%)
25K15.53 mi2.42 mi19364-3647127-2207127-22020815(Top 73%)7986(Top 65%)7986(Top 146%)
30K18.64 mi3.11 mi19926-5627484-3577484-35721589(Top 76%)8551(Top 70%)8551(Top 156%)
20M20.00 mi1.36 mi20060-1347584-1007584-10021075(Top 74%)8398(Top 69%)8398(Top 154%)
21M21.00 mi1.00 mi20311-2517754-1707754-17022819(Top 80%)9403(Top 77%)9403(Top 172%)
35K21.75 mi0.75 mi20334-237777-237777-2321132(Top 74%)8574(Top 70%)8574(Top 157%)
23M23.00 mi1.25 mi20507-1737889-1127889-11222132(Top 78%)9134(Top 75%)9134(Top 167%)
24M24.00 mi1.00 mi20505+27905-167905-1620006(Top 70%)8088(Top 66%)8088(Top 148%)
40K24.85 mi0.85 mi20675-1708014-1098014-10923277(Top 82%)9835(Top 80%)9835(Top 180%)
25.2M25.20 mi0.35 mi20695-208032-188032-1821147(Top 74%)8730(Top 71%)8730(Top 160%)
Finish26.22 mi1.02 mi20739-448082-508082-5021675(Top 76%)8999(Top 74%)8999(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19519

Females

7185

F18-39

7185

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18774

Females

6752

F18-39

6752

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19519

Females

7185

F18-39

7185

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20566

Females

7813

F18-39

7813

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

20411

Females

7712

F18-39

7712

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20815

Females

7986

F18-39

7986

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

21589

Females

8551

F18-39

8551

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

21075

Females

8398

F18-39

8398

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22819

Females

9403

F18-39

9403

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

21132

Females

8574

F18-39

8574

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22132

Females

9134

F18-39

9134

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

20006

Females

8088

F18-39

8088

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23277

Females

9835

F18-39

9835

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21147

Females

8730

F18-39

8730

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

21675

Females

8999

F18-39

8999

Passing Analysis

Category:
Athletes Passed
665
Passed By
4802
Net Change
-4137
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16602
5K → 10K471185-1138#16602#17740
10K → 15K59646-587#17740#18327
15K → 20K70672-602#18327#18929
20K → Half1283-71#18929#19000
Half → 25K78442-364#19000#19364
25K → 30K81643-562#19364#19926
30K → 20M75209-134#19926#20060
20M → 21M30281-251#20060#20311
21M → 35K4770-23#20311#20334
35K → 23M47220-173#20334#20507
23M → 24M5856+2#20507#20505
24M → 40K17187-170#20505#20675
40K → 25.2M1434-20#20675#20695
25.2M → Finish3074-44#20695#20739
TOTALS6654802-4137
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing